Home / 2,132,619.35-3,198,929.03-712,675.42

Finding the Fourth Proportional to 2,132,619.35, 3,198,929.03 and 712,675.42

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Solution

The fourth proportional to 2,132,619.35, 3,198,929.03 and 712,675.42 is: 1,069,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,619.35 : 3,198,929.03 = 712,675.42 : x
  2. Step 2: Convert to fraction form
    2,132,619.35/3,198,929.03 = 712,675.42/x
  3. Step 3: Cross multiply
    2,132,619.35x = 3,198,929.03 × 712,675.42
  4. Step 4: Simplify right side
    2,132,619.35x = 2,279,798,099,111.25
  5. Step 5: Solve for x
    x = 2,279,798,099,111.25/2,132,619.35
  6. Step 6: Final answer
    x = 1,069,013.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.